Static Electricity

If objects repel each other then they must be _______ charges.

• neutral

• same (like)

• different

• not enough information

Opposite charges

• attract

• repel

• become neutral

• do nothing

Tags

NGSS.MS-PS2-3

If a substance has a higher number of electrons than protons on its surface, what type of charge does it have?

• A positive charge.
• A negative charge.
• A neutral charge
• No charge at all

Tags

NGSS.MS-PS2-3

If an object has the same number of positive and negative charges, its electrical charge is...

• positive
• negative
• neutral or no charge
• opposite

Two things with opposite charges will

• attract one another.
• repel one another.

If an object has more negative charges than positive charges, its electrcial charge is...

• positive
• negative
• neutral or no charge
• opposite

Tags

NGSS.MS-PS2-3

NGSS.MS-PS2-5

An object becomes charged when the atoms in the object gain or lose

• electrons
• protons
• neutrons
• all of the above

Tags

NGSS.MS-PS2-3

NGSS.MS-PS2-5

If you rub a glass rod with a piece of silk, the rod becomes positively charged. This means that

• friction destroyed electrons in the rod.
• the silk has become negatively charged.
• protons have moved to the rod.
• glass attracts more protons.

If a substance has a higher number of electrons than protons on its surface, what type of charge does it have?

• A positive charge.
• A negative charge.
• A neutral charge
• No charge at all

The girl's hair and the comb are attracting  one another.  The hair and the comb have

• opposite charges
• like charges

Tags

NGSS.MS-PS2-3